Note: Javascript is disabled or is not supported by your browser. For this reason, some items on this page will be unavailable. For more information about this message, please visit this page: About CDC.gov.

Note: Vaccines to protect against 2009 H1N1 are now widely available. Due to the ample supply of H1N1 vaccine, the vaccine supply status numbers are no longer being updated. This vaccine is the best way to protect against 2009 H1N1. CDC is now encouraging everyone to get vaccinated against 2009 H1N1, including people 65 years and older.